#include <stdio.h>
#include <string.h>
int main(){
    char str[128] = "AA_汽车\0销售_小张";
    char *str_1="SS汽车销售小_李";//不推荐使用            
    printf("str_1=%s str_1=%p\n",str_1,str_1);
    str_1="AA汽车销售"; //1、修改内容会改变地址,不确定原先的内存空间是否被释放
                        //2、不能在当前位置修改内容
    printf("str_1=%s str_1=%p\n",str_1,str_1);

    printf( "str = %s str = %p\n" , str , str);
    strcpy( str , "AA_汽车销售_小李");
    printf( "str = %s str = %p\n" , str , str);

    printf( "str_1 = %s str_1 = %p\n" , str_1 , str_1);
    strcpy( str_1 , "AA_汽车销售_小李");
    printf( "str_1 = %s str_1 = %p\n" , str_1 , str_1);
    return 0;
}